Messages in this thread | | | Subject | Re: [PATCH v2] mm: hugetlb: fix type of delta parameter and related local variables in gather_surplus_pages() | From | Mike Kravetz <> | Date | Thu, 19 Nov 2020 10:34:19 -0800 |
| |
On 11/19/20 5:48 AM, Liu Xiang wrote: > On 64-bit machine, delta variable in hugetlb_acct_memory() may be larger > than 0xffffffff, but gather_surplus_pages() can only use the low 32-bit > value now. So we need to fix type of delta parameter and related local > variables in gather_surplus_pages(). > > Reported-by: Ma Chenggong <ma.chenggong@zlingsmart.com> > Signed-off-by: Liu Xiang <liu.xiang@zlingsmart.com> > Signed-off-by: Pan Jiagen <pan.jiagen@zlingsmart.com> > > --- > Changes in v2: > as suggested by Mike, apply the same fix to the related local > variables in gather_surplus_pages(). > --- > --- > mm/hugetlb.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-)
Thank you,
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
-- Mike Kravetz
| |